It's the 40th language to be added to the app — and one that builds on efforts to include languages that are not as common as they once were.
And while the language can often be heard in "Yinglish" — a mix of English and Yiddish — the Duolingo course is meant to help people go beyond the phrases they might already be familiar with. She grew up in a modern Orthodox Jewish family in New Jersey. While Yiddish was not normally spoken in this community, her family has been largely involved in the movement to pass it on.
Shandler said Yiddish is known as a "heritage language" that people often study to connect with family histories.